Education Lab is a Seattle Times project that spotlights promising approaches to persistent challenges in public education. The Seattle Foundation serves as the fiscal sponsor for Education Lab, which is supported by grants from the Gates Foundation and Ballmer Group. Learn more about Ed Lab and subscribe to our weekly newsletter . A Seattle teacher is poised to become the next president of the Seattle Education Association despite being on administrative leave, following allegations from a family that she physically abused a child.  According to preliminary election results , Ibijoke Idowu, a special education teacher at Rising Star Elementary in South Beacon Hill, is leading the race to preside over the union representing about 6,000 Seattle Public Schools teachers, paraprofessionals, secretaries, counselors and other staff.  The Seattle Education Association board certified the election results Friday night, said SEA spokesperson Julie Popper.…